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authorChristoph Hellwig <hch@lst.de>2022-03-24 17:06:28 +0100
committerDavid Sterba <dsterba@suse.com>2022-04-19 15:45:04 +0200
commit0fdf977d4576ee0decd612e22f6a837a239573cc (patch)
tree8ef61ac8fe7274688792cc489e165bb9d736c989 /fs/btrfs
parent00d825258bcc09c0e1b99aa7f9ad7d2c2fad41fa (diff)
downloadlwn-0fdf977d4576ee0decd612e22f6a837a239573cc.tar.gz
lwn-0fdf977d4576ee0decd612e22f6a837a239573cc.zip
btrfs: fix direct I/O writes for split bios on zoned devices
When a bio is split in btrfs_submit_direct, dip->file_offset contains the file offset for the first bio. But this means the start value used in btrfs_end_dio_bio to record the write location for zone devices is incorrect for subsequent bios. CC: stable@vger.kernel.org # 5.16+ Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> Reviewed-by: Naohiro Aota <naohiro.aota@wdc.com> Reviewed-by: Qu Wenruo <wqu@suse.com> Reviewed-by: Sweet Tea Dorminy <sweettea-kernel@dorminy.me> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs')
-rw-r--r--fs/btrfs/inode.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index ac9a3ebc2db3..8bac68d8e96f 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -7865,6 +7865,7 @@ static blk_status_t btrfs_submit_bio_start_direct_io(struct inode *inode,
static void btrfs_end_dio_bio(struct bio *bio)
{
struct btrfs_dio_private *dip = bio->bi_private;
+ struct btrfs_bio *bbio = btrfs_bio(bio);
blk_status_t err = bio->bi_status;
if (err)
@@ -7875,12 +7876,12 @@ static void btrfs_end_dio_bio(struct bio *bio)
bio->bi_iter.bi_size, err);
if (bio_op(bio) == REQ_OP_READ)
- err = btrfs_check_read_dio_bio(dip, btrfs_bio(bio), !err);
+ err = btrfs_check_read_dio_bio(dip, bbio, !err);
if (err)
dip->dio_bio->bi_status = err;
- btrfs_record_physical_zoned(dip->inode, dip->file_offset, bio);
+ btrfs_record_physical_zoned(dip->inode, bbio->file_offset, bio);
bio_put(bio);
btrfs_dio_private_put(dip);